Navionics waterproof Premium HotMaps Coeur D'Alene Bundle (Central North and Central South). Model: MPS6003 Detailed coverage of Coeur D'Alene Bundle (Central North + Central South) 24"x36" Printed, water-proof and High-Definition fishing Maps for freshwater lakes of the United States Information on the maps has been obtained by detailed, on-site surveys of the lake. These surveys supply more depth and contour information than usually found on other lake maps. This information is invaluable to fisherman, and equally useful to other boaters